Add view_issues permission (#3187).

A migration adds this permission to all existing roles to preserve current behaviour.
This permission controls access to issues, roadmap and changelog.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@3039 e93f8b46-1217-0410-a6f0-8f06a7374b81

lib/redmine.rb

@@ -41,7 +41,7 @@ Redmine::AccessControl.map do |map|
                                   :issues => [:index, :changes, :show, :context_menu],
                                   :versions => [:show, :status_by],
                                   :queries => :index,
-                                  :reports => :issue_report}, :public => true                    
+                                  :reports => :issue_report}
     map.permission :add_issues, {:issues => :new}
     map.permission :edit_issues, {:issues => [:edit, :reply, :bulk_edit]}
     map.permission :manage_issue_relations, {:issue_relations => [:new, :destroy]}